Implementing Duplicate Key Checking in Core Data for iPhone: A Deep Dive

Managing Multi-Developer Teams in Xcode 4: Best Practices for Sharing Projects

Chunking Binary Data for Efficient Uploading with NSURLConnection

Filtering and Sorting Arrays of Dictionaries in Objective-C

Saving a PDF to Device and Loading it in a Webview: A Step-by-Step Guide for iOS Developers

Accessing iPhone Battery Percentage on OS X using Cocoa and Mobile Device Access